Improvement in machines for unhairing hides



i @putten tatea atenf frs.,

ELIAS BROCK AND JUDSON SCHULTZ, OF' ELLENVI'LLE, NEW YORK, ASSIGNORS TOJUDSON SCHULTZ.

Letters Patent No. 81,247, dated August 18, 1868.l

IMPROVEMENT-.IN MACHINES FOR UNHAIRING HIDES.

T0 ALL WHOM- IT MAY GONCERN:

Be it known that we, ELIAS BnocKand JnnsoNScnUnTz, of Ellenville, intheeounty offUlster, and State of New York, have invented a new anduseful Improvement in Machines for Unhairing Hides; and we do herebydeclare that the following is a full, clear, and exactdescription'ther'eof, which will enableothers skilled in the art to makeand use the same, reference being had to the accompanying drawings,forming part of this specification, in which;

Figure 1 is an end view of our improved machine. b Y

Figure 2 is a detail cross-section ofthe same, taken through the line xz, iig. 3.

Figure 3 is a top view ofthe same.

Similar letters of'referenee indicate like parts.

Our invention has-for its object to improve the construction of theunh'airingmachines, patented by ELIAS BROCK, .Tune 25, 1867, andnumbered 66,124, and by J UDsoN SeHULTz, June 25, 1867, and numbered66,176, so as to make s aid machines more convenient in use, and moresatisfactory in operation.

It consists in the construction and combination of various parts of themachine, as hereinafter more fullyA described.

A is the frame ofthe machine.

B is the knife-cylinder,'to which the knives or Scrapers b are attachedinthe ordinary manner.

The journals of theknife-cylinder'B revolve in bearings in the frameA,'and to the projecting end of one of said journals is attached thedrive-pulley C, by means of which motion is given-to the machine.

To the projecting end ofthe otherjournal is attached a gear-wheel, D.

E is a lever, having a hole formed through its middle part to receivethe projecting end of the journal of the knife-cylinder B, so that thesaid leverV may ride upon the saidfjournal. j l

To the inner side of the upper part of the arm or lever E is pivoted agear-wheel, F, in such a position that its teeth may mesh intovthe teethof the gearwhee'l D, and that, when the upper end of the lever E ismoved forward, the teeth of the said gear-wheel F may mesh into theteeth of the gear-wheel G, working loosely upon the journal of the mainfeed-roller H.

I is a. gear-wheel, pivoted to the lower part of the lever E, in such aposition that its teetn may mesh into theteeth of the gear-wheel D. j

J is a gear-wheel, pivoted te a projecting part or arm of tho lever E,in such a position that its teeth may mesh into the teeth of thegear-wheel I, and that, when the llower end ofthe lever E is movedforward, its teeth may mesh into the teeth of the gear-wheel G of thefeed-roller H.

By this means the direction ofthe feed may be conveniently changed, soas to pull the h idein the opposite direction from that in whichthe'knife-cylinder is moving, or allow it to move in the same direction,as required, or as the progress of the operation may render desirable. v

K is n. cranlvarm, attached to the end of the journal'of the feed-rollerH, and the crank-pin of` which enters a curved slot in the gear-wheel G,so that shock, which would otherwise be caused by reversing` the feed,may be eased or diminished.

i L and M are feed-rollers, pivoted to the frame A, by means of elasticbcarings,`in such positions as to clamp the hides between'tliem and thefeed-roller H, at the same time they give, to accommodate themselves tothe varying thickness of the hide. v

*The rollers L M are made to revolve in lthe opposite direction from theroller H by the. gear-wheels NO, attached to the projectingends of theirjournals, and which mesh into'thc gear-wheel P, attached to the end oflthe journal of the roller H.

Q iS D roller, pivoted to the frame A in suoli a position as to supportand guide the-hide in its movement through the machine.

The roller Q receives motion from the roller H, with which it-may beconnected, by means oi` a band, or by gear-wheels, in such a way as'tobe revolved in the same direction in which the `said roller H isrevolving.

It should be observed that the teeth or fingers ofthe gear-wheels N O Pshould'be made long, and so formed as to operate the rollers properly,at whatever distance they may be from the roller H.

The rollers H L M Q may be made smooth or grooved, as may be desired. A

R is a frame, pivoted to the frame A, and curved .to correspond with thecurve of the knife-cylinder B.

S is an apron, one edge of which is secured to the edge of the frame R,and the other edge of which is attached to a roller, T, the journals ofwhich work in bearings in the frame R, and which is provided with aratchet-wheel, U, and pawl V, so that the roller T may be secured inposition. to hold the apron S at any desired tautness. n

Having thus described our invention, wc claim as new, and desire tosecure by Letters Patent- 1. So arranging the operatingqnechanism of thefeed of an unhairing-machine that the said feed may move in the samedirection with or in an opposite direction from the movement of theknife-cylinder, at the will of the operator, substantially as hereinshown'and described, and for the purpose set forth. l

2. Connecting the knife-cylinder B with the main feed-roller H, by meansof thc gear-wheels D F I J G, and lever E, constructed and arrangedsubstantially as herein shown and described, and'for the purpose setforth.

3. The combination of the roller T, ratchet-wheel U, and pawl V, withthe pivoted frame It, for the purpose of adjusting the tension of theapron S, substantially as heroin shown and described.

4. The combination of the rollers L M Q, and ngergear wheels N O P, witheach other, and with the rollers II, substantially as herein shown anddescribed, for the purpose of holding the hide and controlling itsmovement.

5. So arranging the operating-mechanism of the feed of anunhairing-machiue, as to ease or diminish the4 shock caused by reversingtliefeed, substantially as herein shown and described, and for thepurpose set forth.

6. The combination of the crank-arm K With the journal of thefeed-roller H, and withv the slotted gearwheel G, substantially asherein shown and described, and forthe purpose'set forth.

' :ELIAS BROCK,

JUDSON SCHULTZ.

-Witnesses:

T. G. CHAMBERLIN, vJOHN H. Dncmsr.V

